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Mao, Ye-Qing,Xu, Xin,Lin, Yi-Wei,Chen, Hong,Hu, Zheng-Hui,Xu, Xiang-Lai,Zhu, Yi,Wu, Jian,Zheng, Xiang-Yi,Qin, Jie,Xie, Li-Ping Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.12
Insulin-like growth factor-binding protein-3 (IGFBP3) has been identified as a putative tumor suppressor with multifunctional roles in the IGF axis. Recently, there have been a growing body of studies investigating the relation between the IGFBP3 A-202C polymorphism, circulating IGFBP3 and prostate cancer risk, but their outcomes varied leading to controversy. Hence, it is necessary to perform a meta-analysis covering all eligible studies to shed a light on the association of IGFBP3 A-202C and cancer risk. Finally, we included a total of 11 relevant articles between 2003 and 2010 covering 14 case-control studies including 9,238 cases and 8,741 controls for our analysis. Our results showed that A-202C was a marginal risk factor of prostate cancer (allele contrast: OR=1.08, 95% CI :1.01-1.16; dominant model: OR=1.11, 95% CI :1.01-1.22; heterozygote codominant model: OR=1.11, 95% CI :1.03-1.18; homozygote contrast: OR=1.19, 95% CI :1.03-1.37). Stratification analysis revealed that sample size and control source were two major heterogeneous meta-factors especially in the recessive model (source: Population-based control group :p=0.30,I2=16.7%, Hospital-based control group: p=0.20, I2=30.3%; sample size: Small: p=0.22,I2= 32.8%, Medium: p=0.09,I2=48%, Large p=0.60,I2=0.0%); However, contrary to previous findings, no significance was found in racial subgroups. No significant publication bias was found in our analysis. Considering the robustness of the results and the discrepancy among some studies, there might be some unsolved confounding factors, and further more critical large studies are needed for confirmation.
( Qing Xiang Zhou ),( Xing Jia Shen ),( Yong Zhu Yi ),( Ai Hua Xia ),( Zhi Fang Zhang ) 한국잠사학회 2006 International Journal of Industrial Entomology Vol.13 No.2
We successfully extirpated all four hemopoietic organ-wing disc complexes of the fifth instar larvae of Bombyx mori, and found that most of the treated silkworms could still develop into the moths. We investigated the changes of the circulating hemocytes and evaluated the effects of extirpation on the hemopoiesis. The results showed that proliferation of circulating hemocytes was sufficient to allow development of the silkworms which complexes were totally extirpated. We also found that hemopoitic organ-wing disc complexes extirpation might cause a certain hemopoietic compensation of the remainder complexes during early spinning. Exogenous hormones such as 20-β-hydrox-yecdysone and juvenile hormone analog had a positive effect on hemocytes proliferation.
Yi-Bin Lan,Xiao-Feng Xiang,Wei-Xi Yang,Bao-Qing Zhu,Hong-Tie Pu,Chang-Qing Duan 한국식품과학회 2020 Food Science and Biotechnology Vol.29 No.12
Berries of six Vitis davidii Foex (spine grape)cultivars (‘Baiputao’, ‘Gaoshan 1’, ‘Gaoshan 2’, ‘Seputao’,‘Miputao’, and ‘Tianputao’) were harvested from a commercialvineyard in Hunan Province in China. Free andbound volatile compounds and fatty acids were analyzedby GC–MS, and amino acids were analyzed by HPLC. ‘Tianputao’ and ‘Miputao’ were characterized by relativelyhigher concentrations of aromatic amino acids and lowerconcentrations of branched-chain amino acids. The majorfree volatile compounds of spine grapes were hexanal, (E)-2-hexenal, 1-hexanol, (E)-2-hexenol, (E)-b-damascenone,and benzeneacetaldehyde. The major glycosidically boundvolatile compounds identified were 1-hexanol, menthol,nerol, 1-butanol, 3-methyl-3-butenol, benzenemethanol, bphenylethanol,eugenol, and guaiacol. (E)-b-damascenone,benzeneacetaldehyde, guaiacol, and eugenol had odoractivity values (OAVs)[1 in all cultivar grapes. Partialleast squares discriminant analysis (PLS-DA) revealed‘Tianputao’ to be distinct from the other cultivars due to itsrelatively higher concentrations of major terpenoids,norisoprenoids, higher alcohols, and aromatic amino acids.
Zhu, Hai-Tao,Ren, Qi-Fang,Jin, Zhen,Ding, Yi,Liu, Xin-Yu,Ni, Xi-Hui,Han, Meng-Li,Ma, Shi-Yu,Ye, Qing,Oh, Won-Chun Materials Research Society of Korea 2020 한국재료학회지 Vol.30 No.8
In this paper, AgCl/Ag<sub>3</sub>PO<sub>4</sub>/diatomite photocatalyst is successfully synthesized by microemulsion method and anion in situ substitution method. X-ray diffraction (XRD), photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), transmission electron microscopy (TEM), and ultraviolet-visible spectroscopy (UV-Vis) are used to study the structural and physicochemical characteristics of the AgCl/Ag<sub>3</sub>PO<sub>4</sub>/diatomite composite. Using rhodamine B (RhB) as a simulated pollutant, the photocatalytic activity and stability of the AgCl/Ag<sub>3</sub>PO<sub>4</sub>/diatomite composite under visible light are evaluated. In the AgCl/Ag<sub>3</sub>PO<sub>4</sub>/diatomite visible light system, RhB is nearly 100 % degraded within 15 minutes. And, after five cycles of operation, the photocatalytic activity of AgCl/Ag<sub>3</sub>PO<sub>4</sub>/diatomite remains at 95 % of the original level, much higher than that of pure Ag<sub>3</sub>PO<sub>4</sub> (40 %). In addition, the mechanism of enhanced catalytic performance is discussed. The high photocatalytic performance of AgCl/Ag<sub>3</sub>PO<sub>4</sub>/diatomite composites can be attributed to the synergistic effect of Ag<sub>3</sub>PO<sub>4</sub>, diatomite and AgCl nanoparticles. Free radical trapping experiments are used to show that holes and oxygen are the main active species. This material can quickly react with dye molecules adsorbed on the surface of diatomite to degrade RhB dye to CO<sub>2</sub> and H<sub>2</sub>O. Even more remarkably, AgCl/Ag<sub>3</sub>PO<sub>4</sub>/diatomite can maintain above 95 % photo-degradation activity after five cycles.
YI WANG,TOSHIAKI NATSUKI,QING-QING NI,YAOFENG ZHU 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2014 NANO Vol.9 No.1
Functionally graded multiwalled carbon nanotube (MWCNT) reinforced epoxy matrix compo-sites are fabricated using a centrifugal method. Aggregation of the MWCNTs during the epoxycuring process is prevented using a two-step aminosilane modifcation. Chemical interaction ofthe silane with the oxidized nanotube surface is con¯rmed using Fourier transform infraredspectroscopy and X-ray photoelectron spectroscopy. Raman spectroscopy of acid-treatedMWCNTs corroborates the formation of surface defects owing to the introduction of carboxylgroups. The mechanical and microwave absorption property gradients of the composites correfspond with those produced via silane modifcation indicating potential application to microwaveabsorbing materials. The MWCNTs are better dispersed in the epoxy resin after the modi¯cation,making it possible for them to become e±ciently graded in the epoxy matrix. We therefore show that it is possible to fabricate functionally graded nano¯ller-reinforced materials using thecentrifugal method by modifying the surface of the nanofller.
Zhang Qing,He Yi-Jing,Zhu Yu-Hang,Dai Min-Chen,Pan Man-Man,Wu Jia-Qi,Zhang Xian,Gu Ying-Er,Wang Fang-Fang,Xu Xiang-Rong,Qu Fan 한국한의학연구원 2020 Integrative Medicine Research Vol.9 No.3
Background: During the COVID-19 epidemic period, Traditional Chinese Medicine (TCM) course for international students of Medical Bachelor, Bachelor of Surgery (MBBS) program in Zhejiang University has shifted from traditional classroom to online environment. This study aimed to investigate MBBS international students’ perception on online TCM course, and to assess the online learning efficacy. Methods: A total of 84 MBBS international students attending course of “Basic Traditional Chinese Medicine” during 2020 academic years at Zhejiang University were enrolled in this study. A quantitative questionnaire was respectively completed before and after the TCM course using a pretest–post-test design. By means of two online learning platforms, Learning in ZJU and DingTalk, TCM course was broadcast in both live and archived format to students. Results: A total of 48 participants completed both baseline and follow-up questionnaires. The majority of participants preferred face-to-face classroom learning (26, 54.17% of total) when compared with online learning. Students felt that the course had brought in much benefits (mean 3.88, SD 0.87), and they were satisfied with the course content (mean 3.83, SD 0.95). Students’ TCM related knowledge and their behaviors of discussion and consulting were significantly improved by online TCM course (all P < 0.001). Students’ awareness of the necessity of TCM education and their feeling of difficulty in learning TCM were significantly strengthened (P = 0.042, 0.025, respectively). Conclusion: Online learning is a good alternative for TCM course of MBBS international students when classroom learning is suspended, whereas it cannot replace the need for onsite and face-to-face learning.
Transovarial Transmission of Bombyx mori Nuclear Polyhedrosis Virus in the Silkworm
Xiao, Qing-Li,Zhang, Zhi-Fang,Yi, Yong-Zhu,He, Jia-Lu Korean Society of Sericultural Science 2001 International Journal of Industrial Entomology Vol.2 No.2
Whether Bombyx mori nuclear polyhedrosis virus (BmNPV) can be transmitted to offspring, has been a noticeable question for a long time. When fifth instar larvae of the silkworm were orally inoculated with BmNPV dot hybridization and PCR amplification analysis demonstrated that BmNPV was not detected in the eggs laid by BmNPV productively infected female moths. The results indicated that BmNPV could not be transovarially transmitted.
Zhou, Qing-Xiang,Shen, Xing-Jia,Yi, Yong-Zhu,Xia, Ai-Hua,Zhang, Zhi-Fang Korean Society of Sericultural Science 2006 International Journal of Industrial Entomology Vol.13 No.2
We successfully extirpated all four hemopoietic organ-wing disc complexes of the fifth instar larvae of Bombyx mori, and found that most of the treated silkworms could still develop into the moths. We investigated the changes of the circulating hemocytes and evaluated the effects of extirpation on the hemopoiesis. The results showed that proliferation of circulating hemocytes was sufficient to allow development of the silkworms which complexes were totally extirpated. We also found that hemopoietic organ-wing disc complexes extirpation might cause a certain hemopoietic compensation of the remainder complexes during early spinning. Exogenous hormones such as $20-{\beta}-hydroxyecdysone$ and juvenile hormone analog had a positive effect on hemocytes proliferation.
Vibration suppression in high-speed trains with negative stiffness dampers
Shi, Xiang,Zhu, Songye,Ni, Yi-qing,Li, Jianchun Techno-Press 2018 Smart Structures and Systems, An International Jou Vol.21 No.5
This work proposes and investigates re-centering negative stiffness dampers (NSDs) for vibration suppression in high-speed trains. The merit of the negative stiffness feature is demonstrated by active controllers on a high-speed train. This merit inspires the replacement of active controllers with re-centering NSDs, which are more reliable and robust than active controllers. The proposed damper design consists of a passive magnetic negative stiffness spring and a semi-active positioning shaft for re-centering function. The former produces negative stiffness control forces, and the latter prevents the amplification of quasi-static spring deflection. Numerical investigations verify that the proposed re-centering NSD can improve ride comfort significantly without amplifying spring deflection.